// 云函数入口文件
const cloud = require('wx-server-sdk')

cloud.init()

// 云函数入口函数
exports.main = async (event, context) => {
  const wxContext = cloud.getWXContext()
  var buffer = new Buffer(event.img, 'base64')
  try {
    var result = await cloud.openapi.security.imgSecCheck({
      media: {
        contentType: 'image/png',
        value: buffer 
      }
    })
    return result
  } catch (err) {
    return err
  }
}